The best home security systems of 2021: From DIY devices to professionally monitored systems

Tectonic shifts have shaken the home security industry over the past 15 years. Traditional, professionally installed and monitored systems like ADT and Comcast Xfinity, which have been around for decades in some cases, have been forced to make room for brash new competitors. Affordable and accessible DIY systems and standalone internet-connected devices like cameras , smart locks and video doorbells have all elbowed their way into the space and captured consumer attention. It’s not just dedicated home security developers muscling into the industry, either. Tech giants like Amazon, Google and Apple have acquired smaller security-focused companies and launched their own gadgets for years now. Smarten up Get the best reviews, videos and comparisons in CNET’s Smart Home and Appliances newsletter. What’s more, new technologies often mean new vulnerabilities, whether it’s the rise in package theft that has accompanied Amazon delivery’s explosive growth or the risk of hacking that accompanies the proliferation of Wi-Fi connected security cameras in homes. It’s admittedly quite a bit to take in — and today’s home security providers don’t necessarily always make it easy to comparison shop. That’s where we come in. We’ve put the top DIY security systems to the test at the CNET Smart… Read full this story

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